Papua New Guinea vs Saint Helena: Carbon intensity of energy
Papua New Guinea
254.84 grams of CO₂ per kilowatt-hour
in 2024
Saint Helena
257.21 grams of CO₂ per kilowatt-hour
in 2024
Papua New Guinea rank
42nd
Saint Helena rank
41st
Carbon intensity of energy over time
- Papua New Guinea
- Saint Helena
How they compare
Saint Helena currently reports 257.21 grams of CO₂ per kilowatt-hour against 254.84 grams of CO₂ per kilowatt-hour in Papua New Guinea, a difference of 2.37 grams of CO₂ per kilowatt-hour.
The two have swapped places 16 times across 44 shared years of data; in 1981 it was Saint Helena ahead.
Papua New Guinea ranks 42nd and Saint Helena ranks 41st of 204 countries.
Across the 5 decades both report, Papua New Guinea averaged higher in 2 and Saint Helena in 3.
Head to head by decade
| Decade | Papua New Guinea | Saint Helena | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 229.2 grams of CO₂ per kilowatt-hour | 305.77 grams of CO₂ per kilowatt-hour | 76.57 grams of CO₂ per kilowatt-hour | Saint Helena |
| 1990s | 216.13 grams of CO₂ per kilowatt-hour | 747.77 grams of CO₂ per kilowatt-hour | 531.64 grams of CO₂ per kilowatt-hour | Saint Helena |
| 2000s | 242.6 grams of CO₂ per kilowatt-hour | 235.43 grams of CO₂ per kilowatt-hour | 7.17 grams of CO₂ per kilowatt-hour | Papua New Guinea |
| 2010s | 250.97 grams of CO₂ per kilowatt-hour | 261.9 grams of CO₂ per kilowatt-hour | 10.92 grams of CO₂ per kilowatt-hour | Saint Helena |
| 2020s | 268.34 grams of CO₂ per kilowatt-hour | 239.49 grams of CO₂ per kilowatt-hour | 28.86 grams of CO₂ per kilowatt-hour | Papua New Guinea |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher carbon intensity of energy, Papua New Guinea or Saint Helena?
- Saint Helena, at 257.21 grams of CO₂ per kilowatt-hour against 254.84 grams of CO₂ per kilowatt-hour in Papua New Guinea as of 2024.
- What is the difference in carbon intensity of energy between Papua New Guinea and Saint Helena?
- 2.37 grams of CO₂ per kilowatt-hour, with Saint Helena ahead.
- How many years of comparable data are there for Papua New Guinea and Saint Helena?
- 44 years are reported by both, from 1981 to 2024.
- How do Papua New Guinea and Saint Helena rank globally for carbon intensity of energy?
- Papua New Guinea ranks 42nd and Saint Helena ranks 41st of 204 countries.
- Where does this data come from?
- Global Carbon Budget (2025) and other sources – with major processing by Our World in Data, published as Carbon intensity of energy. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Fossil carbon dioxide (CO₂) emissions per unit of total energy supply, measured in grams of CO₂ per kilowatt-hour.